public class KeyBoard implements IUSB{
    @Override
    public void openDevice() {
        System.out.println("打开键盘服务！");
    }

    @Override
    public void closeDevice() {
        System.out.println("关闭鼠标服务！");
    }
    public void inPut(){
        System.out.println("键盘输入服务！");
    }
}
